Intelligence researchers

British eugenist, polymath, and behavioural geneticist (1822–1911)

British psychologist (1916–1997)

French psychologist and inventor of the first usable intelligence test (1857–1911)

British-American psychologist (1905–1998)

German psychologist (1871-1938)

English psychologist (1863-1945)

American psychologist and academic (1896–1981)

New Zealand political scientist (1934–2020)

British psychologist (1930–2023)

discredited English educational psychologist (1883–1971)

American professor of educational psychology (1923-2012)

French intelligence researcher (1873–1961)

Finnish political scientist (1929-2015)

Canadian psychology professor (1943–2012)

Swiss psychologist (1900-1991)

British psychologist (1902–1970)

British psychologist

Danish far-right psychologist, politician, writer and former Olympic canoeist

German psychologist

Greek Cypriot developmental psychologist and former Minister of Education and Culture of Cyprus

German scientist

British psychologist

German biochemist

American psychologist & scholar